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AMD Radeon HD 8970

Front view of Radeon HD 8970
Front view of Radeon HD 7970

AMD Radeon HD 7970

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Differences What are the advantages of each

Front view of Radeon HD 8970

Reasons to consider the
AMD Radeon HD 8970

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Better floating-point performance 5,376 GFLOPS vs 3,789 GFLOPS More than 40% better floating-point performance
Higher clock speed 1,050 MHz vs 925 MHz Around 15% higher clock speed
Higher texture rate 168 GTexel/s vs 118.4 GTexel/s More than 40% higher texture rate
Higher pixel rate 50.4 GPixel/s vs 29.6 GPixel/s More than 70% higher pixel rate
Higher memory bandwidth 288 GB/s vs 264 GB/s Around 10% higher memory bandwidth
Higher effective memory clock speed 6,000 MHz vs 5,500 MHz Around 10% higher effective memory clock speed
More render output processors 48 vs 32 16 more render output processors
More shading units 2,560 vs 2,048 512 more shading units
More compute units 40 vs 32 8 more compute units
Higher memory clock speed 1,500 MHz vs 1,375 MHz Around 10% higher memory clock speed
Front view of Radeon HD 7970

Reasons to consider the
AMD Radeon HD 7970

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GPUBoss is not aware of any important advantages of the 7970 vs the 8970.

Features Key features of the Radeon HD 8970  vs 7970 

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 8970
288 GB/s
Radeon HD 7970
264 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 8970
50.4 GPixel/s
Radeon HD 7970
29.6 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 8970
168 GTexel/s
Radeon HD 7970
118.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8970
5,376 GFLOPS
Radeon HD 7970
3,789 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon HD 8970
2,560
Radeon HD 7970
2,048

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon HD 8970
128
Radeon HD 7970
128

Specifications Full list of technical specs

gpu

 Radeon HD 8970  vs
7970 
GPU brand AMD AMD
GPU name Curaçao XT Tahiti XT
Market Desktop Desktop
Clock speed 1,050 MHz 925 MHz
Is dual GPU No No
Reference card None None

raw performance
Shading units 2,560 2,048
Texture mapping units 128 128
Render output processors 48 32
Compute units 40 32
Pixel rate 50.4 GPixel/s 29.6 GPixel/s
Texture rate 168 GTexel/s 118.4 GTexel/s
Floating-point performance 5,376 GFLOPS 3,789 GFLOPS

memory

 Radeon HD 8970  vs
7970 
Memory clock speed 1,500 MHz 1,375 MHz
Effective memory clock speed 6,000 MHz 5,500 MHz
Memory bus 384 bit 384 bit
Memory 3,072 MB 3,072 MB
Memory type GDDR5 GDDR5
Memory bandwidth 288 GB/s 264 GB/s

Comments

Showing 3 comments.
Jude Fiorillo (01:01 PM, June 12, 2013)
Thanks for the suggestion Dif! We do have some data to show how certain cards perform for some games but maybe there's something we could do to expand on your idea, e.g. http://gpuboss.com/gpus/GeForce-GTX-770-vs-GeForce-GTX-680#performance
Dlf (04:58 AM, June 12, 2013)
Suggestion - a comparison of how the card(s) do different resolutions and games at various settings. If possible
Mombasa69 (02:19 PM, June 11, 2013)
8970 will have a built in cpu (apu) just cancelled my Nvidia 770, and going to wait for this, the next gen consoles also have the same technology, this is the future for pc gaming as 90% of pc games are ports from consoles, so forget Intel and Nvidia AMD is the future if you prefer PCs and want better smoother ports. Edit; what I've heard is just a rumour, not really much use speculating as AMD haven't even released any solid info, we can't really compare until we know for sure.
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